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Biology

Migratory species which breeds in the ocean (Ref. 52331), it requires rivers and oceans (Ref. 30558). Young fish migrate upstream with a continued feeding mode, especially on invertebrates found on rocks and logs washed by fast moving waters (Ref. 30558). They inhabit various niches in a river system (Ref. 13337) and penetrate far inland, surmounting formidable barriers in its upstream migration, including the Kariba and Cahora Bassa dams. Adults need moving water to migrate back to the ocean, especially after heavy rains (Ref. 30558). Their food consists of crabs, frogs and insects (Ref. 30558), and even fish, including trout in the streams of the eastern highlands of Zimbabwe (Ref. 2478). Caught with various types of nets.

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Source: FishBase

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